Auto merge of #58 - japaric:init-resources, r=japaric

safe `&'static mut` references via init.resources

see RFC #59 for details

1 files changed, 11 insertions, 9 deletions

diff --git a/tests/cfail/lock.rs b/tests/cfail/lock.rs
index 5630649..eb03b7d 100644
--- a/tests/cfail/lock.rs
+++ b/tests/cfail/lock.rs
@@ -45,22 +45,24 @@ fn idle() -> ! {
 }
 
 fn exti0(mut t: &mut Threshold, mut r: EXTI0::Resources) {
+    // ERROR need to lock to access the resource because priority < ceiling
+    if *r.ON {
+        //~^ error type `EXTI0::ON` cannot be dereferenced
+    }
+
     // OK need to lock to access the resource
-    if r.ON.claim(&mut t, |on, _| **on) {}
+    if r.ON.claim(&mut t, |on, _| *on) {}
 
     // OK can claim a resource with maximum ceiling
-    r.MAX.claim_mut(&mut t, |max, _| **max += 1);
+    r.MAX.claim_mut(&mut t, |max, _| *max += 1);
 }
 
 fn exti1(mut t: &mut Threshold, r: EXTI1::Resources) {
-    // ERROR no need to lock. Has direct access because priority == ceiling
-    if (**r.ON).claim(&mut t, |on, _| **on) {
-        //~^ error no method named `claim` found for type
-    }
+    // OK to directly access the resource because priority == ceiling
+    if *r.ON {}
 
-    if **r.ON {
-        // OK
-    }
+    // though the resource can still be claimed -- the claim is a no-op
+    if r.ON.claim(&mut t, |on, _| *on) {}
 }
 
 fn exti2(_t: &mut Threshold, _r: EXTI2::Resources) {}